Practical guides for developers and businesses accepting cryptocurrency — security, integration, architecture, and operations.
The single biggest security risk in any cryptocurrency payment system is private key exposure. If the server that monitors incoming payments can also spend those funds, a single breach means total loss. Direct-settlement architecture can reduce this risk — and the mechanism behind it, HD wallet key derivation, is elegant enough to be worth understanding.
Paying users, affiliates, or contractors in cryptocurrency sounds straightforward until you have to do it at scale. A hundred manual wallet transfers is not a workflow — it is an error-prone all-day job. Automating it carelessly, on the other hand, means a hot wallet with enough funds to be a meaningful target. There is a middle path.
Create an account and have your first invoice running in under an hour.
